IBM Typewriter Innovation

H. S. Beattie　R. A. Rahenkamp
→　the printing-point typewriter　→　IBM Typewriter Innovation

References
1. W. A. Beeching, Century of the Typewriter, St. Martin’s
Press, New York, 1974.
2. M. H. Adler, The Writing Machine-A History of the
Typewriter, George Allen and Unwid, Ltd., London, 1973.
3. “History of the Typewriter,” (Reprinted from the original
history of 1923)-Metropolitan Typewriter Co., Detroit, MI.
4. C. L. Jones, “History of the Typewriter,” Rocky’s Technical
Publications, Springfield, MO, 1956.
5. B. W. Wittwer, “A History of the Development of the IBM
SELECTFUC,” Paper No. 63-MD-II-a, American Society
of Mechanical Engineers, New York, 1%3.
6. “Carbon Paper After 150 Years,” The Ofice Magazine 76,
7. B. W. Miles and C. C. Wilson, “The IBM SELECTRIC
Composer-Proportional Escapement Mechanism,” ZBM J.
Res. Develop. 12, 48 (1%8).
8. J. S. Morgan and J. R. Norwood, “The IBM SELECTRIC
Composer-Justification Mechanism,” ZBM J. Res. Develop.
12,68 (1968).
9. G. T. Slaughter, “The IBM SELECTRIC Composer-Mechanical
Print Quality,” ZBM J. Res. Develop. 12, 34 (1968).
10. F. T. May, “IBM Word Processing Developments,” IBM J.
Res. Develop. 25, 741-753 (1981, this issue).
124-125 (1972).

Received April 23, 1980

H. S. Beattie, formerly of the IBM Ofice Products
Division Laboratory in Lexington, Kentucky, is retired.
R . A . Rahenkamp is located at the IBM Information
Systems Division Laboratory, Lexington, Kentucky
4051 I .